Can make various shapes of clouds such as the enterprise LOGO, man, English words, cartoon figure and so on.
Used heavily in advertising, celebrations, conferences, performances, entertainment activities.
Helium gas is use to create helium bubbles that form into many different shapes of clouds
Since this gas is lighter than air, this artificial clouds can easily fly to the skies, with the extension of time, the bubble burst, volatilization, finally disappear in the sky.